[특허]Pickup apparatus for an electric string type instrument

[미국특허] Pickup apparatus for an electric string type instrument 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G10H-003/18
출원번호	US-0367356 (1982-04-12)
우선권정보	JP-0087693 (1978-07-20); JP-0168034 (1978-12-08); JP-0173704 (1978-12-20); JP-0180128 (1978-12-29); JP-0180129 (1978-12-29); JP-0011534 (1979-02-02)
발명자 / 주소	Kaneko, Kenkichi Tanaka, Katsuyuki Hayashi, Satoru Hakamada, Kensaku Matsumoto, Masakazu Tagaki, Shinji Goshima, Takayuki
출원인 / 주소	Kabushiki Kaisha Kawai Seisakusho
대리인 / 주소	Armstrong, Nikaido, Marmelstein & Kubovcik
인용정보	피인용 횟수 : 37 인용 특허 : 3

초록 ▼

A pickup for an electric string type instrument comprising an elongated piezo-electric member formed by mixing a high molecular material with piezo-electric ceramic powder and a vulcanizing or cross-linking agent and then vulcanizing or cross-linking the mixture. In order to complete the pickup a pair of electrodes are mounted on the elongated member and the member is then subjected to a polarization treatment. The piezo-electric member can be formed as a flat belt-shaped member with the electrodes mounted on both surfaces thereof or it can be formed as a cylinder in which one of the electrodes extends axially in the piezo-electric member and the other electrode is mounted on the outer periphery of the piezo-electric member. A plurality of the pickups can be joined in parallel relation within an elastic support and the latter can be mounted between the strings and the frame of the string instrument through the intermediary of a bridge member.

대표청구항 ▼

1. Pickup means for electric string-type instrument, which instrument comprises a frame and a plurality of strings mounted on a frame, each string producing a note; said pickup means comprising: a plurality of individual elastic elongated pickups, each pickup comprising: an elastic, cylindrical piezo-electric member, said piezo-electric member being prepared by mixing a high molecular material with a piezo-electric ceramic powder and a vulcanizing agent, said piezo-electric member being polarized; a pair of electrodes on said piezo-electric member, one of said electrodes comprising a lead wire embedded axially in said piezo-electric member, the other electrode being mounted on the circumferential periphery of said piezo-electric member; and an insulating member encasing said piezo-electric member and said pair of electrodes, said elastic member having an upper non-planar surface; and a bridge member directly mounted on the upper non-planar surfaces of the plurality of pickups, the pickups being disposed longitudinally parallel to one another; the pickup means being directly interposed between said strings and said frame, with said pickups resting on said frame so that the plurality of pickups and the bridge member extend to support plural strings covering plural notes of the instrument so as to be common thereto. 2. A pickup means as claimed in claim 1 wherein said other electrode comprises a metallic tube surrounding the outer periphery of said piezo-electric member. 3. A pickup means as claimed in claim 1 further comprising resilient pressing means for pressing an end portion of the bridge member against the frame. 4. A pickup means as claimed in claim 3, wherein said resilient pressing means comprises a subsidiary string which does not produce a musical tone and is stretched on the frame and bears on said bridge member. 5. A pickup means as claimed in claim 3, wherein said resilient pressing means comprises a cantilever element having one end fixed to the frame and a free end applying pressure to said bridge member, holding said bridge member and said plurality of individual pickups against the frame. 6. A pickup means as claimed in claim 3, wherein said resilient pressing means comprises a base member having one end fixed to the frame and a free end overlying the bridge member, and a spring interposed between said free end of the base member and the bridge member. 7. A pickup means as claimed in claim 1 further comprising a band engageably extending over an end portion of said bridge member and having opposite ends fixed to the frame. 8. A pickup means as claimed in claim 1 wherein said elastic members have an inward side and an outward side, said frame including a ridge extending along one side of the elastic members to support the inward side, said bridge member including a projection extending along an outward side of the bridge member for supporting the outward side of the elastic members, whereby said pickups are sandwiched between said ridge and projection. 9. A pickup means as claimed in claim 1 further comprising a printed wiring board mounted at a predetermined position and connected to said plurality of pickups. 10. A pickup means as claimed in claim 1 further comprising a wood board interposed between said plurality of pickups and the frame.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Cross Leslie E. (State College PA) Newnham Robert E. (State College PA) Skinner Doyle P. (Pittsford NY), Flexible piezoelectric composite transducers.
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Murakami Kazuo (Hamamatsu JPX), Pickup mechanism.
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Murayama Naohiro (Iwaki JPX), Piezoelectric elements of organic high molecular weight materials.
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이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

Fuller, Christopher R.; Kondylas, Kathleen, Active/passive distributed absorber for vibration and sound radiation control.
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Mathews Max V. (Stanford CA), Bimorphic piezoelectric pickup device for stringed musical instruments.
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Juszkiewicz,Henry E.; Yeakel,Nathan W., Breakout box for digital guitar.
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Juszkiewicz Henry E. (1050 Acorn Dr. ; Suite B Nashville TN 37210) Shaw Timothy P. (1341 Cheyenne Blvd. Madison TN 37115), Bridge saddle with adjustable intonation system.
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Fishman Lawrence R., Coaxial musical instrument transducer.
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Fishman, Lawrence R., Coaxial musical instrument transducer.
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Lawrence R. Fishman, Coaxial musical instrument transducer.
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Juszkiewicz, Henry E.; Yeakel, Nathan W., Digital guitar processing circuit.
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Juszkiewicz,Henry E.; Yeakel,Nathan W., Digital guitar system.
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Juszkiewicz,Henry E.; Yeakel,Nathan W., Digital guitar system.
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Suenaga, Yuichiro; Tamura, Shinya; Noro, Masao, Electric stringed musical instrument and method of designing the same.
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Gage, David Rowland; Steinberger, Richard Ned, Electrical pickup for stringed musical instrument.
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Baggs Lloyd R., Flexible pickup circuit assembly and saddle for stringed instruments.
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Baggs Lloyd R., Flexible pickup circuit assembly for stringed instruments.
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Suitor, Stephen, Handheld electronic musical percussion instrument.
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Juszkiewicz,Henry E.; Yeakel,Nathan W., Hexaphonic pickup for digital guitar system.
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Wilson David T. ; Tancrell Roger H., Low cost composite transducer.
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Suitor, Stephen, Magnetically secured instrument trigger.
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Suitor, Stephen Riley, Magnetically secured instrument trigger.
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Booth Michael (Swindon GB2) Penneck Richard J. (Lechlade GB2), Method of making coaxial cable.
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Soni Pravin L. (Union City CA) Farrar Nigel R. (Mountain View CA) Turk Peter (Hayward CA) Rauwendaal Christiaan J. (Los Altos CA), Method of preparing a piezoelectric device.
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Bussard Janice W. (201 N. Fruitport Rd. Spring Lake MI 49456), Modular work station.
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Juszkiewicz,Henry E.; Kaleta,Jeffrey P., Pickup for digital guitar.
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Hudak William, Piezoelectric bridge-type pickup for a stringed musical instrument.
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Booth Michael (Swindon GB2) Penneck Richard J. (Lechlade GB2), Piezoelectric coaxial cable.
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Soni Pravin L. (Union City CA) Turk Peter I. C. (Hayward CA), Piezoelectric coaxial cable having a helical inner conductor.
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Fox David R. (Wiltshire GB2) Armitage David (Wiltshire GB2), Piezoelectric impact sensor.
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Fishman Lawrence R. (76 Grove St. West Medford MA 02155), Piezoelectric transducer device for a stringed musical instrument.
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Aaroe Kenneth T., Pliable pickup for stringed instrument.
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Osman K. Isvan, Polyphonic guitar pickup for sensing string vibrations in two mutually perpendicular planes.
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Robin Philippe (Sceaux FRX) Micheron Francois (Gif sur Yvette FRX) Petit Patrick (Villejuif FRX) Broussoux Dominique (Marcoussis FRX), Reinforced piezoelectric transducer and pressure sensor using such a transducer.
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Grant W. Gerry ; Reed James A., Solid body instrument transducer.
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Soni Pravin L. (Union City CA) Farrar Nigel R. (Mountain View CA), Stretched piezoelectric polymer coaxial cable.
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Yamauchi Takao (Hamamatsu JPX) Asahi Yasuhiko (Hamamatsu JPX), Touch control apparatus for electronic keyboard instrument.
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Takabayashi, Yojiro; Hori, Kenta, Transducer and stringed musical instrument including the same.
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Zola John (Ramsey NJ), Transducer comprising composite electrical materials.
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Long Peter Graham,GBX ; Osborne Paul Stephen,GBX ; Ensor Jonathan Edward,GBX ; Cole Graham George,GBX, Tuning of musical instruments.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Pickup apparatus for an electric string type instrument 원문보기

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[미국특허] Pickup apparatus for an electric string type instrument 원문보기

초록 ▼

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연구과제 타임라인

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이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (37) 인용/피인용 타임라인 분석

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